230   DenseMap<LocIdx, SmallSet<DebugVariable, 4>> ActiveMLocs;  member in TransferTracker
416         ActiveMLocs[Op.Loc].insert(Var);  in loadVarInloc()
435     ActiveMLocs.clear();  in loadInlocs()
453     ActiveMLocs.reserve(VLocs.size());  in loadInlocs()
678           ActiveMLocs[Loc].erase(Var);  in redefVar()
715         ActiveMLocs[Loc].erase(Var);  in redefVar()
736         for (const auto &P : ActiveMLocs[NewLoc]) {  in redefVar()
750           ActiveMLocs[LostMLoc.first].erase(LostMLoc.second);  in redefVar()
753         ActiveMLocs[NewLoc.asU64()].clear();  in redefVar()
757       ActiveMLocs[NewLoc].insert(Var);  in redefVar()
775     auto ActiveMLocIt = ActiveMLocs.find(MLoc);  in clobberMloc()
776     if (ActiveMLocIt == ActiveMLocs.end())  in clobberMloc()
788     auto ActiveMLocIt = ActiveMLocs.find(MLoc);  in clobberMloc()
789     if (ActiveMLocIt == ActiveMLocs.end())  in clobberMloc()
857       auto LostMLocIt = ActiveMLocs.find(LocVarIt.first);  in clobberMloc()
858       assert(LostMLocIt != ActiveMLocs.end() &&  in clobberMloc()
875         ActiveMLocs[*NewLoc].insert(Var);  in clobberMloc()
891     auto MovingVars = ActiveMLocs[Src];  in transferMlocs()
892     ActiveMLocs[Dst].insert(MovingVars.begin(), MovingVars.end());  in transferMlocs()
910     ActiveMLocs[Src].clear();  in transferMlocs()
2150       auto MLocIt = TTracker->ActiveMLocs.find(ClobberedLoc);  in transferRegisterCopy()
2153       if (MLocIt == TTracker->ActiveMLocs.end() || MLocIt->second.empty())  in transferRegisterCopy()